Real Estate - Schedule of Development in Process Activities (Parenthetical) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2021	Nov. 02, 2020	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Notes receivable, net	$ 100,882	$ 153,886		$ 114,943	$ 111,775
Impairment charge		9,925
Fund II
Property, Plant and Equipment [Line Items]
Notes receivable, net	33,800	33,800	$ 33,800
Fund IV
Property, Plant and Equipment [Line Items]
Notes receivable, net		29,800
Fund IV | Fund Portfolio
Property, Plant and Equipment [Line Items]
Impairment charge	$ 16,500	$ 16,500